Curtis Liu SEC EDGAR Filings (CIK 0001883022)

SEC EDGAR filings, ownership reports, and insider transactions for Curtis Liu.

Business address
C/O Amplitude, Inc., 201 Third Street, Suite 200, San Francisco, CA, 94103
Top holdings (ownership)
AMPL
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Curtis Liu has filed 14 SEC EDGAR filings since 21 Sep 2021

Latest Filings

Recent SEC filings for Curtis Liu including 4, SC 13G/A, SC 13G and more.

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 18 Nov 2025 15 Nov 2025 001-40817
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 19 Aug 2025 15 Aug 2025 001-40817
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 19 May 2025 15 May 2025 001-40817
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 Apr 2025 25 Apr 2025 001-40817
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 13 Nov 2024
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 13 Feb 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Feb 2024 01 Feb 2024 001-40817
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 13 Feb 2023
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Feb 2023 01 Feb 2023 001-40817
4 Open 4 document View SEC filing for 4 FORM 4 23 Feb 2022 17 Feb 2022 001-40817
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 14 Feb 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 30 Sep 2021 28 Sep 2021 001-40817
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 Sep 2021 24 Jun 2021 001-40817
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 21 Sep 2021 21 Sep 2021 001-40817

About this filer

Curtis Liu files with the SEC under CIK 0001883022. This page aggregates EDGAR filings and related ownership activity.

See reporting owner transactions.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.

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